Here is a Fine Tiffany & Co Platinum Round Diamond Solitaire Ring.  Made from Solid Platinum 950 and weighs 4.3 grams.  It holds one Natural Round Brilliant Diamond in the center that is a 0.72Ct D Color VVS2 Clarity, GORGEOUS STONE.  The ring is currently a size 6 which can be sized for FREE Upon request, ( please ask for sizing prior of purchase).  Hallmarked Tiffany & Co, PT950, D04735.  This Ring Comes with a Tiffany & Co Appraisal, Inner & Outer Ring Box.  The ring was sent to Tiffany & Co in New York and was polished , LOOKS BRAND NEW!!  Retail price is $11,600 +Tax!